Finding the Fourth Proportional to 14,272,505.77, 19,696,199.81 and 7,746,193.21
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Solution
The fourth proportional to 14,272,505.77, 19,696,199.81 and 7,746,193.21 is: 10,689,823.62
Step by Step Solution
- Step 1: Write the proportion equation
14,272,505.77 : 19,696,199.81 = 7,746,193.21 : x - Step 2: Convert to fraction form
14,272,505.77/19,696,199.81 = 7,746,193.21/x - Step 3: Cross multiply
14,272,505.77x = 19,696,199.81 × 7,746,193.21 - Step 4: Simplify right side
14,272,505.77x = 152,570,569,231,025.28 - Step 5: Solve for x
x = 152,570,569,231,025.28/14,272,505.77 - Step 6: Final answer
x = 10,689,823.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.